Frontier Airlines SLC to SFO on-time performance
Frontier Airlines nonstop flights from Salt Lake City to San Francisco · Aug 2025 – Jul 2026
On-time arrivals
67%
arrived < 15 min late
Cancelled
2.6%
5 flights
Avg arrival delay
34 min
99 min when late
Rank on route
#2 of 4
route average 66% on time
Key facts
- Frontier Airlines flights on SLC to SFO arrived on time 67% of the time in Aug 2025 – Jul 2026.
- 2.6% were cancelled, and 15% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 66% on time overall.
- The largest source of delay minutes was late-arriving aircraft (50%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft50%
- Air traffic control & airport congestion27%
- Airline (crew, maintenance, cleaning, fueling)21%
- Extreme weather1%
- Security0%
Other airlines on SLC to SFO
- Delta Air Lines64% on time · 20 min avg delay
- SkyWest Airlines66% on time · 27 min avg delay
- United Airlines71% on time · 21 min avg delay
Full SLC to SFO comparison →
Frontier Airlines on-time record across all routes →
195 Frontier Airlines flights tracked on this route; 5 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.